streaks

i have a black seat ibiza cupra and whenever i clean it it always end up looking crap and it really [:@] me off . iv been looking around at a few threads and iv decided to get a Lambswool Wash Mitt to start off with. can people point me in the right direction to some good shampoo/wax or anything...

just a quick q it is not far of the time of year when i can spend a day on the car it is a red mk5 golf gti (used to own a lcr) i use all zymol products i brought a pack last year that cost £120 but when i polish it all up then the sun shines on it it looks like it is all streaking is there any...